Files
triton/lib/driver/kernel.cc
Philippe Tillet 664d3cae89 [DRIVER] Removed OpenCL support
There is no plan to support OpenCL anytime soon (Vulkan would be preferred). Removing the adequate portion of the driver code
2021-07-27 12:38:48 -07:00

124 lines
3.7 KiB
C++
Executable File

/* Copyright 2015-2017 Philippe Tillet
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include "triton/driver/kernel.h"
#include "triton/driver/buffer.h"
namespace triton
{
namespace driver
{
/* ------------------------ */
// Base //
/* ------------------------ */
kernel::kernel(driver::module *program, CUfunction fn, bool has_ownership):
polymorphic_resource(fn, has_ownership), program_(program){
}
kernel::kernel(driver::module *program, host_function_t fn, bool has_ownership):
polymorphic_resource(fn, has_ownership), program_(program){
}
kernel* kernel::create(driver::module* program, const char* name) {
switch(program->backend()){
case CUDA: return new cu_kernel(program, name);
case Host: return new host_kernel(program, name);
default: throw std::runtime_error("unknown backend");
}
}
driver::module* kernel::module() {
return program_;
}
/* ------------------------ */
// Host //
/* ------------------------ */
host_kernel::host_kernel(driver::module* program, const char *name): kernel(program, host_function_t(), true) {
hst_->fn = program->hst()->functions.at(name);
}
void host_kernel::setArg(unsigned int index, std::size_t size, void* ptr){
if(index + 1> params_store_.size()){
params_store_.resize(index+1);
params_.resize(index+1);
}
params_store_[index].reset(malloc(size), free);
memcpy(params_store_[index].get(), ptr, size);
params_[index] = params_store_[index].get();
}
void host_kernel::setArg(unsigned int index, driver::buffer* buffer){
if(buffer)
kernel::setArg(index, (void*)buffer->hst()->data);
else
kernel::setArg(index, (std::ptrdiff_t)0);
}
const std::vector<void *> &host_kernel::params(){
return params_;
}
/* ------------------------ */
// CUDA //
/* ------------------------ */
cu_kernel::cu_kernel(driver::module *program, const char * name) : kernel(program, CUfunction(), true) {
cu_params_store_.reserve(64);
cu_params_.reserve(64);
dispatch::cuModuleGetFunction(&*cu_, *program->cu(), name);
// dispatch::cuFuncSetCacheConfig(*cu_, CU_FUNC_CACHE_PREFER_SHARED);
}
void cu_kernel::setArg(unsigned int index, std::size_t size, void* ptr){
if(index + 1> cu_params_store_.size()){
cu_params_store_.resize(index+1);
cu_params_.resize(index+1);
}
cu_params_store_[index].reset(malloc(size), free);
memcpy(cu_params_store_[index].get(), ptr, size);
cu_params_[index] = cu_params_store_[index].get();
}
void cu_kernel::setArg(unsigned int index, driver::buffer* data){
if(data)
kernel::setArg(index, *data->cu());
else
kernel::setArg(index, (std::ptrdiff_t)0);
}
void* const* cu_kernel::cu_params() const
{ return cu_params_.data(); }
}
}